Self polishing anti-fouling paints
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United States of America Patent
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Oct 9, 1990
Grant Date -
N/A
app pub date -
Apr 28, 1988
filing date -
Apr 28, 1987
priority date (Note) -
Expired
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Abstract
Self polishing anti-fouling marine paint compositions, that can be prepared free of organotin, comprise: (i) at least one sparingly soluble organic compound that is an organic acid or an organic acid salt preferably selected from rosin-based compounds, metal salts of saturated fatty acids, either branched-chain or alicyclic; (ii) a copolymer prepared from at least one acrylic monomer, at least one monomer selected from C.sub.1 -C.sub.4 alkyl methacrylates and styrene, and at least one monomer selected from cyclic tertiary amides or imides having an alkenyl group; (iii) at least one sparingly soluble metalliferous pigment; (iv) at least one marine biocide which can also function as the pigment; and optionally (iv) one or more highly insoluble pigments.
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